export const WALL = 1;
export const ROAD = 2;
export const BOX = 3;
export const MOVE_1 = [
  [-1, 0],
  [0, 1],
  [1, 0],
  [0, -1]
];
export const MOVE_2 = [
  [-2, 0],
  [0, 2],
  [2, 0],
  [0, -2]
];
